TY  - BOOK
AU  - Szymanski, Andrzej,
AU  - Szymanski, Janusz Mikolaj
TI  - Hardness estimation of minerals, rocks and ceramic materials
SN  - 044498898x
PY  - 1989///
CY  - Amsterdam
PB  - Elsevier North-Holland
KW  - Hardness
KW  - Testing
KW  - Mineralogy
KW  - Rocks
KW  - Ceramic material
N1  - Bibliography : p. 315-328
ER  -